linux-kernel - Re: [PATCH v4] staging: Mediatek: Use individual config flags in Makefile

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Date:   Wed, 16 Jan 2019 12:43:21 +0800
From:   kbuild test robot <lkp@...el.com>
To:     George Hilliard <thirtythreeforty@...il.com>
Cc:     kbuild-all@...org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, NeilBrown <neil@...wn.name>,
        George Hilliard <thirtythreeforty@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] staging: Mediatek: Use individual config flags in
 Makefile

Hi George,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on staging/staging-testing]
[cannot apply to v5.0-rc2 next-20190115]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/George-Hilliard/staging-Mediatek-Use-individual-config-flags-in-Makefile/20190116-084915
config: x86_64-randconfig-e0-201902 (attached as .config)
compiler: gcc-8 (Debian 8.2.0-14) 8.2.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   In file included from drivers/staging/mt7621-mmc/dbg.c:51:
   drivers/staging/mt7621-mmc/mt6575_sd.h: In function 'sdr_set_bits':
   drivers/staging/mt7621-mmc/mt6575_sd.h:459:12: error: implicit declaration of function 'readl'; did you mean 'd_real'? [-Werror=implicit-function-declaration]
     u32 val = readl(reg);
               ^~~~~
               d_real
>> drivers/staging/mt7621-mmc/mt6575_sd.h:462:2: error: implicit declaration of function 'writel'; did you mean 'wrmsrl'? [-Werror=implicit-function-declaration]
     writel(val, reg);
     ^~~~~~
     wrmsrl
   cc1: some warnings being treated as errors

vim +462 drivers/staging/mt7621-mmc/mt6575_sd.h

8b634a9c John Crispin              2018-03-15  456  
0b78f05d Christian Lütke-Stetzkamp 2018-04-24  457  static inline void sdr_set_bits(void __iomem *reg, u32 bs)
0b78f05d Christian Lütke-Stetzkamp 2018-04-24  458  {
0b78f05d Christian Lütke-Stetzkamp 2018-04-24 @459  	u32 val = readl(reg);
0b78f05d Christian Lütke-Stetzkamp 2018-04-24  460  
0b78f05d Christian Lütke-Stetzkamp 2018-04-24  461  	val |= bs;
0b78f05d Christian Lütke-Stetzkamp 2018-04-24 @462  	writel(val, reg);
0b78f05d Christian Lütke-Stetzkamp 2018-04-24  463  }
0b78f05d Christian Lütke-Stetzkamp 2018-04-24  464  

:::::: The code at line 462 was first introduced by commit
:::::: 0b78f05d510b01e353481f5bccb63661d2cb5c32 staging: mt7621-mmc: Correct datatypes for io and sanitize io access

:::::: TO: Christian Lütke-Stetzkamp <christian@...mp.de>
:::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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